1123824 has 40 divisors (see below), whose sum is σ = 3128272. Its totient is φ = 345600.

The previous prime is 1123807. The next prime is 1123841. The reversal of 1123824 is 4283211.

It is an interprime number because it is at equal distance from previous prime (1123807) and next prime (1123841).

It is a nude number because it is divisible by every one of its digits.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 1123824.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 277 + ... + 1524.

2^1123824 is an apocalyptic number.

It is an amenable number.

1123824 is an abundant number, since it is smaller than the sum of its proper divisors (2004448).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1123824 is a wasteful number, since it uses less digits than its factorization.

1123824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1825 (or 1819 counting only the distinct ones).

The product of its digits is 384, while the sum is 21.

The square root of 1123824 is about 1060.1056551118. The cubic root of 1123824 is about 103.9679388351.

The spelling of 1123824 in words is "one million, one hundred twenty-three thousand, eight hundred twenty-four".